/**
 * 有三个线程，线程名称分别为：a，b，c。
 * 每个线程打印自己的名称。
 * 需要让他们同时启动，并按 c，b，a的顺序打印
 */
public class Test {
    public static void main(String[] args) {
        Thread t3 = new Thread(() -> {
            System.out.print(Thread.currentThread().getName() +" ");
        },"c");

        Thread t2 = new Thread(() -> {
            try {
                t3.join();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            System.out.print(Thread.currentThread().getName() + " ");
        },"b");

        Thread t1 = new Thread(() -> {
            try {
                t2.join();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            System.out.print(Thread.currentThread().getName() + " ");
        },"a");

        t1.start();
        t2.start();
        t3.start();
    }
}
